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A016113
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Square is a palindrome with even number of digits.
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3
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836, 798644, 64030648, 83163115486, 6360832925898, 69800670077028, 98275825201587, 6819209882215742, 40447213778058769, 633856150760638652, 795559265009384106, 637323988797048057098, 3823177109095314778621
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| C. Ashbacher, On palindromic squares, J. Rec. Math., 22 (No,2, 1990), 133-.
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LINKS
| K. S. Brown, On General Palindromic Numbers
P. De Geest, Palindromic Squares
P. De Geest, Subsets of Palindromic Squares
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CROSSREFS
| Cf. A027829. A proper subset of A002778.
Sequence in context: A113856 A162945 A138850 * A177846 A167603 A202716
Adjacent sequences: A016110 A016111 A016112 * A016114 A016115 A016116
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KEYWORD
| nonn,base
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AUTHOR
| Robert G. Wilson v (rgwv(AT)rgwv.com)
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EXTENSIONS
| 2 new terms were recently found by Bennett from UK (communication from Patrick De Geest (pdg(AT)worldofnumbers.com)).
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